Articles | Volume 12, issue 9
https://doi.org/10.5194/tc-12-2831-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-12-2831-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Sep 2018
Research article |
| 05 Sep 2018
| 05 Sep 2018
A constraint upon the basal water distribution and thermal state of the Greenland Ice Sheet from radar bed echoes
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Department of Geophysics, Stanford University, Stanford, CA, USA
Christopher N. Williams
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Now at British Geological Survey, Nottingham, UK
Dustin M. Schroeder
Department of Geophysics, Stanford University, Stanford, CA, USA
Department of Electrical Engineering, Stanford University, Stanford, CA, USA
Yasmina M. Martos
Department of Astronomy, University of Maryland, College Park, MD, USA
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Michael A. Cooper
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Martin J. Siegert
Grantham Institute and Department of Earth Science and Engineering, Imperial College, London, UK
John D. Paden
Center for Remote Sensing of Ice Sheets, University of Kansas, Lawrence, USA
Philippe Huybrechts
Earth System Science and Departement Geografie, Vrije Universiteit Brussel, Brussels, Belgium
Jonathan L. Bamber
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
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35 citations as recorded by crossref.
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- Geological and glacial-hydrologic controls on chemical weathering in the subglacial environment J. Graly & S. Rezvanbehbahani 10.1017/aog.2023.56
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- Radar for Europa Assessment and Sounding: Ocean to Near-Surface (REASON) D. Blankenship et al. 10.1007/s11214-024-01072-3
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- Alternatives to Liquid Water Beneath the South Polar Ice Cap of Mars D. Schroeder & G. Steinbrügge 10.1029/2021GL095912
- Glacier Outflow Dissolved Organic Matter as a Window Into Seasonally Changing Carbon Sources: Leverett Glacier, Greenland A. Kellerman et al. 10.1029/2019JG005161
- Complex Basal Conditions and Their Influence on Ice Flow at the Onset of the Northeast Greenland Ice Stream S. Franke et al. 10.1029/2020JF005689
- Five decades of radioglaciology D. Schroeder et al. 10.1017/aog.2020.11
- Firn Clutter Constraints on the Design and Performance of Orbital Radar Ice Sounders R. Culberg & D. Schroeder 10.1109/TGRS.2020.2976666
- Radiometric analysis of digitized Z-scope records in archival radar sounding film D. Schroeder et al. 10.1017/jog.2021.130
- Topographic Correction of Geothermal Heat Flux in Greenland and Antarctica W. Colgan et al. 10.1029/2020JF005598
- Molecular Signatures of Glacial Dissolved Organic Matter From Svalbard and Greenland A. Kellerman et al. 10.1029/2020GB006709
- Geologic Context of the Bright MARSIS Reflectors in Ultimi Scopuli, South Polar Layered Deposits, Mars M. Landis & J. Whitten 10.1029/2022GL098724
- Uppermost crustal structure regulates the flow of the Greenland Ice Sheet G. Jones et al. 10.1038/s41467-021-27537-5
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- Radar‐Sounding Characterization of the Subglacial Groundwater Table Beneath Hiawatha Glacier, Greenland J. Bessette et al. 10.1029/2020GL091432
- The Scientific Legacy of NASA’s Operation IceBridge J. MacGregor et al. 10.1029/2020RG000712
- An overview of GPR subsurface exploration of planets and moons E. Pettinelli et al. 10.1190/tle41100672.1
- A Multiscale Segment-Based Subglacial Water Body Identification Method According to Dry-Wet Transition Characteristics D. Wang et al. 10.1109/TGRS.2024.3508801
- Subglacial hydrology modeling predicts high winter water pressure and spatially variable transmissivity at Helheim Glacier, Greenland A. Sommers et al. 10.1017/jog.2023.39
- Surface Expression of Basal and Englacial Features, Properties, and Processes of the Greenland Ice Sheet M. Cooper et al. 10.1029/2018GL080620
- Post-Processing Synchronized Bistatic Radar for Long Offset Glacier Sounding N. Bienert et al. 10.1109/TGRS.2022.3147172
- Subglacial roughness of the Greenland Ice Sheet: relationship with contemporary ice velocity and geology M. Cooper et al. 10.5194/tc-13-3093-2019
- Distribution and dynamics of Greenland subglacial lakes J. Bowling et al. 10.1038/s41467-019-10821-w
- Holocene ice-stream shutdown and drainage basin reconfiguration in northeast Greenland S. Franke et al. 10.1038/s41561-022-01082-2
- GBaTSv2: a revised synthesis of the likely basal thermal state of the Greenland Ice Sheet J. MacGregor et al. 10.5194/tc-16-3033-2022
- Drill-site selection for cosmogenic-nuclide exposure dating of the bed of the Greenland Ice Sheet J. Briner et al. 10.5194/tc-16-3933-2022
Latest update: 14 May 2025
Short summary
Here, via analysis of radio-echo sounding data, we place a new observational constraint upon the basal water distribution beneath the Greenland Ice Sheet. In addition to the outlet glaciers, we demonstrate widespread water storage in the northern and eastern ice-sheet interior, a notable feature being a "corridor" of basal water extending from NorthGRIP to Petermann Glacier. The basal water distribution and its relationship with basal temperature provides a new constraint for numerical models.
Here, via analysis of radio-echo sounding data, we place a new observational constraint upon the...
